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Note 5 - Costs and Estimated Earnings and Billings on Uncompleted Contracts | 12 Months Ended
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Dec. 31, 2012
Long-term Contracts or Programs Disclosure [Text Block] |
5. | Costs and Estimated Earnings and Billings on Uncompleted Contracts
Billing practices for our contracts are governed by the contract terms of each project based on progress toward completion approved by the owner, achievement of milestones or pre-agreed schedules. Billings do not necessarily correlate with revenue recognized under the percentage-of-completion method of accounting. The current liability, “Billings in excess of costs and estimated earnings on uncompleted contracts,” represents billings in excess of revenues recognized. The current asset, “Costs and estimated earnings in excess of billings on uncompleted contracts,” represents revenues recognized in excess of amounts billed to the customer, which are usually billed during normal billing processes following achievement of contractual requirements. The two tables below set forth the costs incurred and earnings accrued on uncompleted contracts (revenues) compared with the billings on those contracts through December 31, 2012 and 2011 and reconcile the net excess billings to the amounts included in the consolidated balance sheets at those dates (in thousands).
| As of December 31, |
| 2012 |  | 2011 |
Costs incurred and estimated earnings on uncompleted contracts |  | $ | 1,361,973 |  |  | $ | 997,527 |
Billings on uncompleted contracts |  |  | (1,360,299 | ) |  |  | (999,601 | )
Excess of costs incurred and estimated earnings over billings (excess of billings over costs incurred and estimated earnings) on uncompleted contracts |  | $ | 1,674 |  |  | $ | (2,074 | )
Included in the accompanying balance sheets under the following captions:
| As of December 31, |
|  | 2012 |  |  | 2011 |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 20,592 |  |  | $ | 16,509 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  |  | (18,918 | ) |  |  | (18,583 | )
Net amount of costs and estimated earnings on uncompleted contracts above (below) billings |  | $ | 1,674 |  |  | $ | (2,074 | )
Revenues recognized and billings on uncompleted contracts include cumulative amounts recognized as revenues and billings in prior years.

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